Home / 77,099,004.30-115,648,506.45-73,697,781.90

Finding the Fourth Proportional to 77,099,004.30, 115,648,506.45 and 73,697,781.90

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Solution

The fourth proportional to 77,099,004.30, 115,648,506.45 and 73,697,781.90 is: 110,546,672.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,099,004.30 : 115,648,506.45 = 73,697,781.90 : x
  2. Step 2: Convert to fraction form
    77,099,004.30/115,648,506.45 = 73,697,781.90/x
  3. Step 3: Cross multiply
    77,099,004.30x = 115,648,506.45 × 73,697,781.90
  4. Step 4: Simplify right side
    77,099,004.30x = 8,523,038,405,412,844
  5. Step 5: Solve for x
    x = 8,523,038,405,412,844/77,099,004.30
  6. Step 6: Final answer
    x = 110,546,672.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.